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Byju's Answer
Standard X
Chemistry
Classification of Modern Periodic Table
Write the ele...
Question
Write the electronic configuration and valency of chlorine, sodium, calcium and silicon
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Solution
Dear Student,
Element
Electronic
configuration
Valency
Cl
2
,
8
,
7
1
Na
2
,
8
,
1
1
Ca
2
,
8
,
8
,
2
2
Si
2
,
8
,
4
4
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